The Dead Air M24 Collar Insert is specifically engineered for use with Wolverine Silencer systems crafted from durable black steel construction.Dead Air M24 Collar Insert for Wolverine SilencerBlack steel construction for durabilityCompatible with M24 thread insertsPart of the Dead Air Wolverine accessory systemSKU: WV111Essential component for shooters using M24 thread inserts with their Wolverine silencer providing secure threading compatibility and reliable performance in the Dead Air suppressor system.